williams appear, sit behind europe -- stand behind your chair since we're in for the panel one time. please raise your right hand. do you solemnly swear that the testimony you are given is the truth, altered, and nothing but the truth, so help me god? let the record show that the witnesses have been sworn in. take your seats and i will suggest that i will call on each witness and try to keep to very strict time and call on each one to give their testimony and then we will open for questions and the usual way, alternating on both sides. our first witness is mark kelly. he is a retired astronauts and u.s. navy capt. and he recently co-founded americans for responsible solutions. says an advocacy group that promotes solutions to prevent gun violence and protect responsible gun ownership. he did it with his wife, former congresswoman gabrielle giffords. capt. kelly, please go ahead, sir. >> thank yo for inviting me here today. i look forward to a constructive and constructive dialogue with your committee. i want to take the opportunity to congratulate gay's friend jeff flake as you know,